| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.78 | 6.80 | -0.02 |
| Feb | 5.15 | 5.27 | -0.12 |
| Mar | 5.45 | 5.68 | -0.23 |
| Apr | 4.59 | 4.98 | -0.39 |
| May | 3.12 | 3.40 | -0.28 |
| Jun | 1.80 | 2.06 | -0.26 |
| Jul | 0.38 | 0.42 | -0.04 |
| Aug | 0.49 | 0.51 | -0.02 |
| Sep | 1.51 | 1.73 | -0.22 |
| Oct | 3.97 | 4.19 | -0.22 |
| Nov | 7.12 | 7.09 | 0.03 |
| Dec | 8.05 | 8.12 | -0.07 |
48.41 | 50.25 | -1.84 |